<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="top">
        <div id="top_container">

        </div>
    </div>
    <div id="body">
        <div id="body_img"></div>
        <div id="body_mess"></div>
        <div id="body_container"></div>
        <div id="foot"></div>
    </div>
</body>
<style>
    *{
        padding: 0px;
        margin:0px;
    }
    #top{
        width: 100%;
        height: 50px;
        background-color: black;
    }

    #top #top_container{
        width: 75%;
        height: 50px;
        margin: 0 auto;
        background-color: aqua;
    }

    #body{
        width: 75%;
        height: 1500px;
        margin: 0 auto;
        background-color: blueviolet;
    }

    #body_img{
        width: 100%;
        height: 300px;
        background-color: chartreuse;
    }
    #body_mess{
        width: 100%;
        height: 50px;
        background-color: coral;
    }
    #foot{
        width: 100%;
        height: 200px;
        background-color: yellow;
    }
</style>
</html>